Hardy to USDA Zone 4 Crataegus laevigata, English Hawthorn or English Midland Hawthorn, has been cultivated for ages in hedges and gardens and is often confused with C. monogyna (also called English Hawthorn or Common Hawthorn) and C. × media (hybrids of C. monogyna × C. laevigata).

Crimson CloudTM was introduced by Princeton nursery of New Jersey in 1966. It is a cross of C. laevigata 'Charles X' and 'Paul's Scarlet'.

Oregon State Univ. campus: along Orchard Ave. at the entrance to the parking lot north of the East Greenhouse.